<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Array 构造函数的问题</title>
</head>
<body>
    <script>
        let a=Array(); //[]
        let b=Array(3); //[空属性 × 3]
        let c=Array(3,11,8); //[3,11,8]

        console.log(a); //Array[0]
        console.log(b); //Array[3]
        console.log(c); //Array[3]
    </script>
</body>
</html>